Why Every Japan Booking Tool Reinvents the Same Accommodation Tax Logic (So We Open-Sourced Ours)
Every time I’ve talked to another operator or a developer building something for Japanese hospitality, the same complaint comes up: accommodation tax math. Not the concept — everyone understands “some cities tax overnight stays.” It’s the fact that local governments calculate it differently, and there is no single official, machine-readable national table that developers can safely drop into booking software without checking each local government’s ordinance and guidance.